diff options
Diffstat (limited to 'libs/ardour')
| -rw-r--r-- | libs/ardour/ardour/mtdm.h | 2 | ||||
| -rw-r--r-- | libs/ardour/mtdm.cc | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/libs/ardour/ardour/mtdm.h b/libs/ardour/ardour/mtdm.h index b57df7254a..bb30ac5d0a 100644 --- a/libs/ardour/ardour/mtdm.h +++ b/libs/ardour/ardour/mtdm.h @@ -34,6 +34,7 @@ public: int inv (void) { return _inv; } double del (void) { return _del; } double err (void) { return _err; } + float get_peak () { const float rv = _peak; _peak = 0; return rv; } private: class Freq { @@ -54,6 +55,7 @@ private: int _cnt; int _inv; Freq _freq [13]; + float _peak; }; #endif /* __libardour_mtdm_h__ */ diff --git a/libs/ardour/mtdm.cc b/libs/ardour/mtdm.cc index fca9b63416..46cf90898a 100644 --- a/libs/ardour/mtdm.cc +++ b/libs/ardour/mtdm.cc @@ -23,6 +23,7 @@ MTDM::MTDM (int fsamp) : _cnt (0) , _inv (0) + , _peak (0) { int i; Freq *F; @@ -56,11 +57,13 @@ int MTDM::process (size_t len, float *ip, float *op) int i; float vip, vop, a, c, s; Freq *F; + float peak = 0; while (len--) { vop = 0.0f; vip = *ip++; + if (fabsf(vip) > peak) { peak = vip; } for (i = 0, F = _freq; i < 13; i++, F++) { a = 2 * (float) M_PI * (F->p & 65535) / 65536.0; @@ -86,6 +89,8 @@ int MTDM::process (size_t len, float *ip, float *op) } } + if (peak > _peak) { _peak = vip; } + return 0; } |